Martin Ignatius Joseph Griffin

Independence Hall in Philadelphia (Ferdinand Richardt, ca. 1858–1863). Griffin was born and died in Philadelphia, and focused most of his research on the Catholic history of the city.

Martin Ignatius Joseph Griffin (1842–1911) was an American Catholic journalist and historian, instrumental to the founding of the American Catholic Historical Society. He contributed widely to scholarly journals and was the author of several books and monographs on the history of Catholicism in the United States.